Re: Fix memory leak in cpufreq stats.

Rafael J. Wysocki
2012-10-15T20:26:34Z

On Monday 15 of October 2012 02:48:28 Tu, Xiaobing wrote:
>
> Fix memory leak in cpufreq stats.
>
> When system enter sleep, non-boot CPUs will be disable.
> Cpufreq stats sysfs is created when the CPU is up, but it is not freed when
> the CPU going down. This will cause memory leak.
> signed-off-by: xiaobing tu <xiaobing.tu@intel.com>
> signed-off-by: guifang tang <guifang.tang@intel.com>

I will push this patch for v3.7 in the -rc3 time frame if no one objects.

Thanks,
Rafael

> diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
> index b40ee14..3998316 100644
> --- a/drivers/cpufreq/cpufreq_stats.c
> +++ b/drivers/cpufreq/cpufreq_stats.c
> @@ -328,6 +328,7 @@ static int __cpuinit cpufreq_stat_cpu_callback(struct notifier_block *nfb,
> cpufreq_update_policy(cpu);
> break;
> case CPU_DOWN_PREPARE:
> + case CPU_DOWN_PREPARE_FROZEN:
> cpufreq_stats_free_sysfs(cpu);
> break;
> case CPU_DEAD:
>
> Br
> XiaoBing Tu
> PSI@System Integration Shanghai
>
>
> --
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--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.